The infectious stage of $Plasmodium$ in humans is...........

What is the shape of an ookinete?

The following are the stages of the life cycle of $Plasmodium$. Arrange the stages in the proper order.
$A$. The parasites reproduce asexually in $RBCs$, bursting the cells.
$B$. The parasites reproduce asexually in liver cells, bursting the cells and releasing into blood.
$C$. Gametocytes develop in $RBCs$.
$D$. Sporozoites reach the liver through the blood.
$E$. Female mosquito injects sporozoites into humans during a bite.
Choose the correct answer from the options given below:

Which protozoan is found as a commensal in the human colon?

Which of the following is not associated with the pre-erythrocytic cycle of the malaria parasite?

Cerebral malaria is caused by $......$.